Home / 810,947,507,948.85-1,119,108,786,843.10-440,151,058,861.30

Finding the Fourth Proportional to 810,947,507,948.85, 1,119,108,786,843.10 and 440,151,058,861.30

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Solution

The fourth proportional to 810,947,507,948.85, 1,119,108,786,843.10 and 440,151,058,861.30 is: 607,409,126,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,947,507,948.85 : 1,119,108,786,843.10 = 440,151,058,861.30 : x
  2. Step 2: Convert to fraction form
    810,947,507,948.85/1,119,108,786,843.10 = 440,151,058,861.30/x
  3. Step 3: Cross multiply
    810,947,507,948.85x = 1,119,108,786,843.10 × 440,151,058,861.30
  4. Step 4: Simplify right side
    810,947,507,948.85x = 492,576,917,509,975,364,861,952
  5. Step 5: Solve for x
    x = 492,576,917,509,975,364,861,952/810,947,507,948.85
  6. Step 6: Final answer
    x = 607,409,126,585.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.